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Commit 6f5374c9 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Add sun4v_cpu_yield(). 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1bd0cd74

arch/sparc64/kernel/entry.S

+9 −0
Original line number Diff line number Diff line
@@ -1786,3 +1786,12 @@ sun4v_cpu_qconf: 
	ta	HV_FAST_TRAP

	retl

	 nop



	/* returns %o0:	status

	 */

	.globl	sun4v_cpu_yield

sun4v_cpu_yield:

	mov	HV_FAST_CPU_YIELD, %o5

	ta	HV_FAST_TRAP

	retl

	 nop

include/asm-sparc64/hypervisor.h

+3 −0
Original line number Diff line number Diff line
@@ -258,6 +258,9 @@ 
 */

#define HV_FAST_CPU_YIELD		0x12



#ifndef __ASSEMBLY__

extern unsigned long sun4v_cpu_yield(void);

#endif



/* cpu_qconf()

 * TRAP:	HV_FAST_TRAP